Boots – shoes – and leggings
Patent
1996-08-09
1998-04-07
Trammell, James P.
Boots, shoes, and leggings
364191, 36447429, 36447437, 364560, 33503, 33504, 33505, G05B 1919, G05B 194073
Patent
active
057372446
ABSTRACT:
The control of a coordinate measuring apparatus includes a device for correcting the pregiven desired path when the actual geometry of the workpiece 17 to be measured deviates from the desired geometry. This device is a two-stage controller which includes a first control stage 27 which operates in response to a control signal proportional to the deflection of the moveable probe pin 7 and controls out deviations in the direction of the normal vector Ni on the workpiece surface. The second control stage 28 becomes active only when the deflection Ai of the probe pin 7 or the force F acting on the workpiece reaches or exceeds a predetermined amount. The second control stage 28 then controls out deviations in the direction of the probe deflection Ai.
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Carl-Zeiss-Stiftung
Ottesen Walter
Trammell James P.
Vo Hien
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